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Finding the Fourth Proportional to 664,662.02, 917,228.94 and 362,856.02

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Solution

The fourth proportional to 664,662.02, 917,228.94 and 362,856.02 is: 500,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,662.02 : 917,228.94 = 362,856.02 : x
  2. Step 2: Convert to fraction form
    664,662.02/917,228.94 = 362,856.02/x
  3. Step 3: Cross multiply
    664,662.02x = 917,228.94 × 362,856.02
  4. Step 4: Simplify right side
    664,662.02x = 332,822,042,597.22
  5. Step 5: Solve for x
    x = 332,822,042,597.22/664,662.02
  6. Step 6: Final answer
    x = 500,738.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.